diff --git a/sdk_container/src/third_party/portage-stable/dev-python/dependency-groups/Manifest b/sdk_container/src/third_party/portage-stable/dev-python/dependency-groups/Manifest
new file mode 100644
index 0000000000..888b1391e9
--- /dev/null
+++ b/sdk_container/src/third_party/portage-stable/dev-python/dependency-groups/Manifest
@@ -0,0 +1 @@
+DIST dependency_groups-1.3.1.tar.gz 10093 BLAKE2B 527f1e9a3594df9c811b50f933edbd4d188b2b2338a07a2154e7e999f48d7ce75f06aaf3ecd6ab4b3b367d05c1aed51c1e474d4558a42048d69bf13e9ca245ad SHA512 03e707791494da58cb860e9d605e657812f538d8f39d239f99108236c42eb831467969a561fbc587aa33a88794652aa2e63b43421b3beda42a825602f3fe7c17
diff --git a/sdk_container/src/third_party/portage-stable/dev-python/dependency-groups/dependency-groups-1.3.1.ebuild b/sdk_container/src/third_party/portage-stable/dev-python/dependency-groups/dependency-groups-1.3.1.ebuild
new file mode 100644
index 0000000000..ea126cfcd0
--- /dev/null
+++ b/sdk_container/src/third_party/portage-stable/dev-python/dependency-groups/dependency-groups-1.3.1.ebuild
@@ -0,0 +1,25 @@
+# Copyright 2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DISTUTILS_USE_PEP517=flit
+PYTHON_COMPAT=( pypy3_11 python3_{11..14} )
+
+inherit distutils-r1 pypi
+
+DESCRIPTION="A tool for resolving PEP 735 Dependency Group data"
+HOMEPAGE="
+	https://github.com/pypa/dependency-groups/
+	https://pypi.org/project/dependency-groups/
+"
+
+LICENSE="MIT"
+SLOT="0"
+KEYWORDS="~alpha amd64 arm arm64 ~hppa ~loong ~m68k ~mips ppc ppc64 ~riscv ~s390 ~sparc x86"
+
+RDEPEND="
+	dev-python/packaging[${PYTHON_USEDEP}]
+"
+
+distutils_enable_tests pytest
diff --git a/sdk_container/src/third_party/portage-stable/dev-python/dependency-groups/metadata.xml b/sdk_container/src/third_party/portage-stable/dev-python/dependency-groups/metadata.xml
new file mode 100644
index 0000000000..74c9a4f238
--- /dev/null
+++ b/sdk_container/src/third_party/portage-stable/dev-python/dependency-groups/metadata.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="project">
+		<email>python@gentoo.org</email>
+	</maintainer>
+	<stabilize-allarches/>
+	<upstream>
+		<remote-id type="github">pypa/dependency-groups</remote-id>
+		<remote-id type="pypi">dependency-groups</remote-id>
+	</upstream>
+</pkgmetadata>